How to take care of lead-acid batteries to extend their service life?

Lead-acid batteries are a relatively common type of storage batteries, widely used in Chinese cars, electric vehicles, power tools and other fields. However, if one does not pay attention to the care and maintenance, lead-acid batteries can easily lead to problems such as decreasing market capacity, bulging, leakage, short circuit and so on. In order to be able to extend the service life of lead-acid batteries, improve its performance and safety, our country needs students to master to learn some maintenance work methods, specifically analyzed as follows:

1. Avoid over-charging and over-discharging

Overcharging and overdischarging of lead-acid batteries is the main cause of shortening the life of the battery, which may lead to electrode plate damage, active substance shedding, electrolyte evaporation and gas precipitation. In order to avoid overcharging and overdischarging, we need to use a proper charger, charge the battery according to its capacity and voltage, and don't charge or discharge the battery for a long time so that the battery can't be powered. Usually make sure to charge the battery in time to avoid under or overcharging the battery. If the battery is not used for a long time, it should also be charged regularly to prevent the battery from over-discharging.

2. Hydration

After lead-acid batteries have been used for a period of time, the electrolyte in the battery will lose water due to electrolytic evaporation.lithium ion battery VS lead acid battery If not replenished in time, the battery capacity will drop, and it is difficult to reach the rated voltage when charging. Charging at this time will easily lead to bulging or even fire. Especially in the hot summer and fall, timely supplemental water is particularly important.

Supplemental water is generally used battery-specific electrolyte, and shall not be supplemented with tap water. When a layer of water can be on the surface of the battery electrode, it must not be filled, because the electrolyte is dilute sulfuric acid, the flow of charging will lead to corrosion of the external parts of the battery, but also pollution.

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3. Adjustment of balance

Each single cell in the battery pack may be inconsistent with the market capacity or voltage because of Chinese manufacturing or use, which will directly lead to a continuous decline in the performance of the battery pack, and may even be overcharged or overdischarged phenomenon. In order to be able to regulate the balance of the battery pack, our country needs teachers to regularly test the voltage and capacity of each single battery of the system, for the low voltage battery management to carry out a separate charging, for the development of the battery with high operating voltage to carry out a study of the separate discharging, so that the students of each battery voltage and capacity as consistent as possible.

A battery equalizer can be installed. A Lotus Red equalizer is an electronic protection device used to prevent voltage imbalances between cells within a battery from reducing its life. When the voltage between cells is out of balance, different cells charge and discharge at different rates. When one battery is charging, the other battery is in a state of overcharging or undercharging. Overcharging or undercharging will damage the battery, resulting in decreased capacity and shorter life.

A battery equalizer ensures the balance of power between batteries in real time, thus extending battery life by 5-30%. Through active equalization, high voltage batteries are transferred to low voltage batteries to compensate, thus equalizing the charge and making each battery full, and ultimately achieving energy transfer to prolong battery life and battery pack life.

4. Maintain suitable temperature

Temperature has a great influence on the performance and life of lead-acid batteries. Too high or too low temperature will reduce the capacity and efficiency of the battery, and even cause damage to the lead-acid battery. Generally speaking, the best working temperature of lead-acid battery is 15-25 °C. If the temperature is higher than 40 °C or lower than 0 °C, the capacity of the battery will be significantly reduced, and the charging and discharging effect will be poor. Therefore, we should try to avoid using or storing batteries in high or low temperature environment, and take some insulation or cooling measures if necessary, such as installing insulation or cooling fan.

5. Prevent short circuit and vibration

Short circuit and vibration are the two fatal injuries of lead-acid batteries, which will lead to the increase of internal resistance, temperature rise, active substance shedding, pole plate deformation, etc., seriously affecting the performance and safety of the battery. To prevent short-circuit and vibration, attention should be paid to the wiring and fixing of the battery to avoid short-circuit caused by contacting the positive and negative poles of the battery or metal objects. At the same time, it is also necessary to ensure that the battery is firmly installed to avoid vibration of the battery caused by driving on bumpy roads.

In conclusion, in order to make the lead-acid battery management more durable, students need to carry out a proper maintenance. Regular charging, avoiding deep discharging, avoiding high temperature working environment, using the right charger and regular checking and maintenance of the country are all very important maintenance methods for us. If not able to maintain by following these research methodology issues, you can get to extend the life of the lead-acid battery significantly.